Struct MidiClassState 

pub struct MidiClassState<'d> { /* private fields */ }

Internal state for a MidiClass.

Holds names/string-indices for interface and jacks.

Implementations

impl<'d> MidiClassState<'d>

pub const fn new() -> Self

Creates a new State.

Trait Implementations

impl<'d> Default for MidiClassState<'d>

fn default() -> MidiClassState<'d>

Returns the “default value” for a type.

impl Handler for MidiClassState<'_>

fn get_string(&mut self, index: StringIndex, _lang_id: u16) -> Option<&str>

Called when a GET_DESCRIPTOR STRING control request is received.

fn enabled(&mut self, _enabled: bool)

Called when the USB device has been enabled or disabled.

fn reset(&mut self)

Called after a USB reset after the bus reset sequence is complete.

fn addressed(&mut self, _addr: u8)

Called when the host has set the address of the device to addr.

fn configured(&mut self, _configured: bool)

Called when the host has enabled or disabled the configuration of the device.

fn suspended(&mut self, _suspended: bool)

Called when the bus has entered or exited the suspend state.

fn remote_wakeup_enabled(&mut self, _enabled: bool)

Called when remote wakeup feature is enabled or disabled.

fn set_alternate_setting( &mut self, iface: InterfaceNumber, alternate_setting: u8, )

Called when a “set alternate setting” control request is done on the interface.

fn control_out(&mut self, req: Request, data: &[u8]) -> Option<OutResponse>

Called when a control request is received with direction HostToDevice.

fn control_in<'a>( &'a mut self, req: Request, buf: &'a mut [u8], ) -> Option<InResponse<'a>>

Called when a control request is received with direction DeviceToHost.

fn get_descriptor_requested( &mut self, _descriptor_type: u8, _index: u8, _wlength: u16, )

Called when a GET_DESCRIPTOR control request is received, before the descriptor is sent.